body{
    background-color:darkslategray;
    font-family:Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;


}
.movie-container{
    display: flex;
    justify-content: center; /*弹性容器属性*/
    align-items: center; /*弹性布局容器属性*/
    width: 800px;
    height: auto;
    margin: 100px auto 0 auto;

}
.movie-container label{
    color: white;
    font-size: 18px;
    margin-right: 5px;
}
#movie{
    padding: 5px;
    border-radius: 5px;
    width: 200px;
}
#movie option{
    padding: 5px;
}
.showcase{
    background-color:olive;
    border-radius: 3px;
    display: flex;
    justify-content: space-between;
    list-style-type: none;
    width: 600px;
    margin: 30px auto;
    padding: 5px 10px;


}
.showcase li{
    color:lightgray;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 10px;

}
.seat{
    background-color:darkgrey;
    width: 110px;
    height: 150px;
    margin: 0px 3px;

}


.seat-container{
    perspective: 500px;
}
.screen{
    margin:5px auto 20px auto;
    width: 250px;
    height: 60px;
    transform:rotateX(-28deg);
    background-color: snow;
    box-shadow: 0 3px 10px rgba(250, 246, 246, 0.7); /*0.7是不透明度*/
}
.row{
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 20px;
}
.ttqyk{
    border:thistle 2px solid;
    margin: 0 auto;
    display:inline-flex;
    padding: 10px;

}
.seat1{
    background-color:violet;
    width: 15px;
    height: 12px;
    border-top-left-radius: 6px;
    border-top-right-radius: 6px;
    margin: 0px 3px;

}
.seat.occupied{
    background-color:floralwhite;
}
.seat.selected{
    background-color:salmon;
}
.seat.seatshow{
    background-color:salmon;

}
/*不行，只有链接a能用visited，
*.seat:not(.occupied):visited{
*   background-color:seagreen;
}*/
.seat:not(.occupied):hover{
    background-color: salmon;
    transform: scale(1.2);
    cursor:pointer;
}
.seat:not(.occupied):active{
    background-color: salmon;
    cursor:pointer;
}
.seat:nth-last-of-type(2){
    margin-left: 20px;
}
.seat:nth-last-of-type(6){
    margin-left: 20px;
}
.text{
    color: aliceblue;
    font-size: 18px;
    margin:5px auto;
}
#num{
    color: salmon;
    font-size: 18px;
}
#price{
    color: salmon;
    font-size: 18px;
}



